2004 Official factory service manual for Yamaha YFZ450S ATV Quad., Page 20Get this manual
SPECIAL TOOLS EBS00021
GEN INFO
SPECIAL TOOLS
The following special tools are necessary for complete and accurate tune-up and assemblyUse only the appropriate special tools; this will help prevent damage caused by the use of inappropriate tools or improvised techniquesSpecial tools may differ by shape and part number from country to countryIn such case, two types are providedWhen placing an order, refer to the list provided below to avoid any mistakesFor US and CDN PNYM-, YU-, YS-, YK-, ACCExcept for US and CDN PN90890Tool NoTool nameFunction
Crankcase separating tool 90890-01135 YU-01135-A This tool is used to separate the crankcasePot 90890-01274 Bolt 90890-01275 Crankshaft installer pot Crankshaft installer bolt